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Retirement Plan | 12 Months Ended
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Nov. 30, 2017
Retirement Benefits [Abstract] |
Retirement Plan | Retirement Plan We maintain a retirement plan covering all U.S. employees under Section 401(k) of the Internal Revenue Code. Company contributions to the plan are at the discretion of the Board of Directors and totaled approximately $2.1 million, $2.5 million and $2.4 million for fiscal years 2017, 2016 and 2015, respectively.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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